Amano Taichi

A third year in high school and the protagonist.
He is one of the unpopular group in his class who make a lot of ruckus.
He loves demihuman girls - in short, demi-girls, and has confessed to many demi-girls during the third years in the school but was turned down every time.
Because of an accidental kiss with Kuon, the two of them bled just a little and he drank their mixed blood. As a result his semen has turned into a legendary elixir, the "Awakening Essence", and countless of demi-girls have started aiming for his chastity.